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| Number | Title | Issue Date |
| 8018125 | Linear drive ultrasonic motor A linear drive ultrasonic motor includes at least an ultrasonic vibrator having a piezoelectric element, a driven member which is driven by a frictional force between the driven member and the ultrasonic vibrator, a pressing member which presses the ultrasonic vibra... | 09/13/2011 |
| 7990021 | Driving apparatus, and manufacturing method of the same A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft mounted on one end of the electromechanical conversion element in the extending direction; a driven ... | 08/02/2011 |
| 7795782 | Miniaturizable motor The invention relates to a miniaturizable motor (1) comprising a rotor (12) that is driven by a hollow cylindrical piezo oscillator (2). Said rotor is effectively connected to a frictional face (13) of the piezo oscillator while a main el... | 09/14/2010 |
| 7745972 | Precise positioning apparatus A precision positioning device 1 having degrees of freedom along multi-axial directions includes a single unitary structure 2 and a plurality of expansion/contraction actuators 4a, 4b, and 4c. Movements of an o... | 06/29/2010 |
| 7732983 | Ultrasonic motor A ultrasonic motor includes a piezoelectric device, and friction contact members moves a driven body by a elliptical vibration. And the ultrasonic motor includes a holder member which is disposed corresponding to a node of a longitudinal vibration or in the vicinity... | 06/08/2010 |
| 7732982 | Driving device capable of reducing height thereof A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration frict... | 06/08/2010 |
| 7728488 | Positioning motor and apparatus A piezoelectric motor has a stator module (1), comprising two pairs of piezoelectric actuators (1a, 1b) and (2a, 2b) inside this stator module. The stator module is fixed by a central fixing point (A). T... | 06/01/2010 |
| 7692359 | Driving apparatus A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft that is fixed to one end of the electromechanical conversion element in the extending direction; a d... | 04/06/2010 |
| 7667373 | Drive unit A drive unit (1) includes a stage (3), a first ultrasonic actuator (4A) for driving the stage (3) in the X direction, and a second ultrasonic actuator (4B) for driving the stage (3) in the Y direction. In driving the stage (... | 02/23/2010 |
| 7646137 | Actuator and its control method and lens device An actuator which drives a lens frame in an optical axis direction is constructed by piezoelectric elements, driving members, and a pressing spring. The piezoelectric elements are placed at opposite sides with a driven plate therebetween, and the driving members are... | 01/12/2010 |
| 7633209 | Driving device capable of obtaining a stable frequency characteristic A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction ... | 12/15/2009 |
| 7579751 | Optical member driving device An optical member driving device having a movable member formed integrally with a frame member holding an optical member, without requiring a reinforcement of any abutting regions on the driving friction member is comprising a driving friction member capable of a re... | 08/25/2009 |
| 7579752 | Positioning device with a solid-body joint A positioning device has a first unit and a second unit arranged so as to be displaceable relative to the first unit. A slip-stick drive acts between the first unit and the second unit to produce a translatory movement (P) of the two units. The positioning device ha... | 08/25/2009 |
| 7504761 | Driving device A driving device, comprises: an electro-mechanical conversion element enabled to expand and contract in response to input of an electrical signal; and a frictional member that is frictionally-engaged with the electro-mechanical conversion element and that is mounted... | 03/17/2009 |
| 7471030 | Spring biasing locking mechanism for step and repeat motors A spring biasing locking mechanism is provided for a step and repeat motor. The motor includes a base having a channel, an output member in the channel, at least one translator drive element and first and second clamping elements. The spring biasing locking mechanis... | 12/30/2008 |
| 7466063 | Micro manipulator for movement of electrode, driving method thereof, and measuring device of brain signal using the same A micro manipulator for electrode movement, a driving method thereof, and a brain signal measuring device using the same are provided. The micro manipulator has a guide member having a rectangular hollow hole therein, first and second piezo-electric clamp bodies ins... | 12/16/2008 |
| 7436103 | Variable inductor element and mobile wireless apparatus A variable inductor element has a substrate, a first inductor element which is fixedly arranged on the substrate, a second inductor element which is supported by the substrate, is magnetically coupled with the first inductor element and variably control a mutual con... | 10/14/2008 |
| 7432634 | Remote center compliant flexure device An apparatus to control displacement of a body spaced-apart from a surface includes a flexure system having a first flexure member defining a first axis of rotation and a second flexure member defining a second axis of rotation. A body is coupled to the flexure syst... | 10/07/2008 |
| 7432635 | Moving member driving device and lens barrel A driving device in a lens barrel unit of a lens unit drives advancing/retreating of a lens frame holding a lens, and manual focusing. The lens frame is supported freely movably back and forth by an internal driving ring turned and driven when automatic focusing. Th... | 10/07/2008 |
| 7423364 | Sealed mover assembly A mover assembly (16) that moves or positions an object (12) includes a mover output (222), an actuator (344), and a mover housing assembly (220). The mover output (222) is connected to the object (12), and the actuat... | 09/09/2008 |
| 7408289 | Piezoelectric actuator, and apparatus and method for actuating the same A linear actuator using a metal beam-type piezoelectric material, and an apparatus and a method for actuating the same. The piezoelectric actuator includes: a moving member having a predetermined length and moving in a forward or a backward direction; and a piezoele... | 08/05/2008 |
| 7387508 | Compliant device for nano-scale manufacturing The present invention is directed to a compliant device comprising a support body, a floating body, and a plurality of flexure arms. Each of the plurality of flexure arms is connected between the support body and the floating body to transfer a load therebetween in ... | 06/17/2008 |
| 7368854 | Actuator An actuator comprises: an electro-mechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electro-mechanical conversion element, the driving frictional member being frictionally engaged with a dri... | 05/06/2008 |
| 7355325 | Wide frequency range electromechanical actuator An electromechanical motor (1), using at least two bimorph, monomorph or multimorph electromechanical actuating elements (6) interconnected by a common actuator backbone (5) is disclosed. The actuating elements (6) are controllable in bot... | 04/08/2008 |
| 7348710 | Robust electromechanical motor An electromechanical motor includes a rail to be moved, a dry, non-lubricated, sliding bearing for the rail, and driving members imposing a mechanical driving force on the rail. The bearing has two rail contacting portions. A first portion contacts the rail for obst... | 03/25/2008 |
| 7348693 | Vibration wave linear motor In a vibration wave linear motor, a coupled driving contacting parts are respectively provided on the top and the bottom of a vibrator unit, and 2 upper and lower guide shafts which contact concave parts of the coupled driving contacting parts are supported by erect... | 03/25/2008 |
| 7342347 | Piezomotor with a guide The present invention relates to a drive system comprising at least one motor with at least one vibration generator each as well as at least one resonator each and a device driven by said motor, wherein the resonator comprises a contact area that cooperates with the... | 03/11/2008 |
| 7342350 | Handheld device having ultrasonic transducer for axial transmission of acoustic signals A handheld stylus having an elongated housing, a writing and drawing implement disposed within the housing and including a tip extending through an opening at an end of the housing where ultrasonic waves radiate therefrom and are used for determining a position of t... | 03/11/2008 |
| 7323804 | Linear output, closed loop mover assembly A mover assembly (16) that moves or positions an object (12) along a first axis includes a motor (20) and a coupling assembly (22). The motor (20) includes a motor output (332) that is moved along the first axis and about th... | 01/29/2008 |
| 7319336 | Charged particle beam device probe operation An apparatus including a positioner control device, a measuring device and a control routine. The positioner control device is communicatively coupled to a chamber of a charged particle beam device (CPBD) and is configured to individually manipulate each of a plural... | 01/15/2008 |
| 7317275 | Harmonic propulsion and harmonic controller A device and method for propelling objects using periodic or harmonic vibrations is described. The device comprises a flexible substrate or surface and a source of vibrational energy that is applied to the substrate or surface. Specific embodiments include a device ... | 01/08/2008 |
| 7315108 | Driving device A piezoelectric element expands and contracts when a pulse voltage is applied. A fixing body is fixed to one end of the piezoelectric element in an expansion-contraction direction. A driving shaft is fixed to the other end of the piezoelectric element in the expansi... | 01/01/2008 |
| 7312559 | Stator and ceramic tube type ultrasonic motor using the same The present invention relates to a ceramic tube type ultrasonic motor having a stator including a tube-type elastic body that is formed of a ceramic material; and a plurality of piezoelectric diaphragms that are attached on the outer peripheral surface of the elasti... | 12/25/2007 |
| 7305685 | Inserting and extracting device for rotatable data carrier plates The invention relates to an inserting and extracting device for rotatable data carrier plates which mechanically moves the data carrier plate (1) from an inserting position into a playing position before playing and back into the inserting position again afte... | 12/04/2007 |
| 7301257 | Motion actuator The present invention provides a shear motion driven motion actuator. The motion actuator provides a plurality of driving modes to drive a main body, including the inertial drive mode, the friction drive mode and the scanning mode. The motion actuator comprises a ba... | 11/27/2007 |
| 7274131 | Piezoelectric motor with actuator to move the rotor about two orthogonal axes A piezoelectric motor has an actuator which drives a slider. The actuator has a rectangular steel core of square cross-section with an axially projection driving tip. A ceramic piezoelectric element is bonded to each of the four faces of the core. Each piezoelectric... | 09/25/2007 |
| 7265480 | Vibration wave linear motor and a driving method thereof A vibration wave linear motor is a vibration wave linear motor that can drive a plurality of driving targets with a simple and small configuration. In the linear motor, two guide members sandwich two vibrators, which are individually and electrically connected to a ... | 09/04/2007 |
| 7230366 | Vibration wave linear motor In a vibration wave linear motor, a vibrator stably operates with a simple and small configuration. Both ends of a movable guide member are held by shaft bearing long holes to freely oscillate, and an angle of an inclination φ occurs according to the move of the vi... | 06/12/2007 |
| 7224102 | Operating apparatus and an electric instrument An operating apparatus 1 of the present invention has a driven element 5, a frame 4 having a contacted element 51 and rotatably supporting the driven element 5, and an ultrasonic motor. The ultrasonic motor includes a vibrating ele... | 05/29/2007 |
| 7221076 | Multiple movements harmonic frequency actuator system A system having a harmonic frequency actuator system is provided including providing an actuator body, the actuator body having more than one set of fingers for generating a motion for a semi-rigid element, and attaching a high frequency actuator to the actuator bod... | 05/22/2007 |
